Castle Interior
Castles Interiors is a family-owned residential interior design firm in Denver offering kitchen, bath, new build/remodel, and unique project services to luxury homeowners across the Front Range and select out-of-state markets.
- Company typePrivate
- Founded1986
- HeadquartersDenver, United States
- Headcount1–10
- GTM typeB2C
- OfferingServices
What Castle Interior does
Castles Interiors is a family-owned residential interior design firm founded in 1986 by Pam Kelker-Sparks in Denver, Colorado, operating as Castles Interiors, LLC. The firm offers four core service verticals — kitchen design, bath design, new build/remodel, and unique/custom projects — delivered through a standardized five-stage consultative process (Discovery, Space Evaluation, Presentation, Implementation, and Ongoing Management). Project scope ranges from small remodels to 20,000+ square-foot custom luxury homes, primarily serving high-net-worth residential clients across the Denver/Front Range market with selective out-of-state engagements and a satellite office in Scottsdale, Arizona. The company maintains a core team of two principals (founder Pam Kelker-Sparks and second-generation operator Sydney North, who joined in 2012) plus extended support staff of approximately 10 total.
The business is a professional services design consultancy rather than a technology platform; revenue is generated through design fees, procurement markups, and project management services on a quote-based, project-specific basis with no publicly disclosed pricing. Go-to-market is consultative and relationship-driven, supported by an active Instagram presence, website portfolio, press features in 5280 Magazine and Luxe Magazine, and community involvement through Junior Symphony Guild showhouses, Parade of Homes, and Kempe Foundation showhouses (nine consecutive years of showhouse participation). The firm has earned multiple Home Builders Association (HBA) trade awards (Best Interior Design 2001 and 2004; Best Remodel 2007) and is privately held with no external investors, funding history, or parent entity. Castles operates with no API, no integrations, no proprietary technology, and no AI/ML capabilities — its competitive position rests entirely on founder reputation, decades of local vendor relationships, and high-touch client delivery.
Castle Interior firmographics
Firmographics- Name
- Castle Interior
- Legal name
- Castles Interiors, LLC
- Website
- https://castlesinteriors.com
- Company type
- Private
- Founded year
- 1986
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Castles Interiors is a family-owned residential interior design firm in Denver offering kitchen, bath, new build/remodel, and unique project services to luxury homeowners across the Front Range and select out-of-state markets.
- Ownership category
- akta.pro rank
Castle Interior industry classification
Industry- Product category
- Residential Interior Design
- NAICS
- Interior Design Services (541410)
- akta.pro primary industry
- Whole-Home Interior Renovation (Non-Structural) (HSAPAEAC)
- akta.pro secondary industry
- Kitchen Island & Custom Storage Solutions (HSAPAAAH)
Keywords
Where Castle Interior is headquartered
LocationHeadquarters
- HQ city
- Denver
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Castle Interior business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Infrastructure
Revenue model
- Interior Design Services: Professional interior design services for residential clients including consultation, design, procurement, and project management. Services cover kitchen design, bath design, new builds/remodels, and unique/custom projects. Revenue is generated through design fees, procurement markups, and project management services.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
Castle Interior product offering
Product offeringCore offering
Castle Interior (Castles Interiors, LLC) is a residential interior design firm offering kitchen design, bath design, new build/remodel, and unique custom project services for individual homeowners. Engagements cover the full design lifecycle—consultation, space evaluation, design presentation, procurement, implementation, and ongoing management—through a standardized five-stage consultative process. Project scope ranges from small remodels to large custom builds of 20,000+ square feet, with revenue generated through design fees, procurement markups, and project management services.
Product overview
Castles Interiors is a residential interior design service company operating as a single, unified design consultancy rather than a platform-plus-modules architecture. The company offers four core design service verticals—Kitchen Design, Bath Design, New Build/Remodel, and Unique Projects—all delivered through a standardized five-stage design process (Discovery, Space Evaluation, Presentation, Implementation, and Ongoing Management). The core offering is bespoke residential interior design, with specialization in luxury homes, custom builds, and full-scale remodeling projects primarily in the Denver, Colorado area.
Differentiator
Problem solved
Functional benefit
Products and services
- Kitchen Design Services Kitchen design services delivered to residential homeowners, focused on creating plans that suit client goals and budgets with decades of experience. Targeted at homeowners undertaking kitchen renovations and new-build kitchen projects, including luxury estate kitchen work featured in publications such as Luxe Magazine.
- Bath Design Services Bathroom design services for residential clients, ranging from extravagant master baths to simple powder rooms with creative options. Targeted at homeowners undertaking bathroom renovations in custom homes, remodels, and unique residential spaces.
- New Build and Remodel Services New build and remodeling project services for residential clients, with comprehensive oversight from small projects up to 20,000+ square foot custom builds. Targeted at homeowners undertaking whole-home new builds or major remodels that require end-to-end design, procurement, and project management.
- Unique Projects Design Services Creative interior design services for residential projects and spaces that fall outside standard renovations, applying creativity in unique and unconventional ways. Targeted at homeowners with distinctive or non-standard residential design briefs.
Companies that use Castle Interior
Customer profileNamed customers9 records
Segments1 record
Ideal customer profiles1 record
Castle Interior technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Castle Interior partnerships and signals
Strategic signalScale indicators4 records
Recent moves4 records
Expansion highlights4 records
Castle Interior competitors and assessment
Company assessmentDirect peers
- Amber Interiors: California-based luxury residential interior design firm serving high-net-worth and celebrity clientele. Comparable focus on full-service residential design with strong design publication features and brand-led marketing.
- Marie Flanigan Interiors: Houston-based luxury residential interior design firm with comparable boutique structure and award-winning portfolio. Serves similar custom home and full-scale remodel clientele with strong editorial presence.
- Lindye Galloway Studio: California-based luxury residential design firm with similar client focus on custom homes and remodels. Comparable boutique structure with strong social media presence and design publication features - similar GTM motion in the luxury segment.
- Andrea Schumacher Interiors: Denver-based luxury residential interior design firm serving similar high-net-worth clientele in the Colorado market. Closest direct peer - comparable boutique team structure, luxury positioning, and project scale (full-home remodels and custom builds).
- Studio McGee: Park City, Utah-based luxury residential interior design firm serving high-end clients nationwide. Comparable in boutique-to-mid-tier structure, brand-forward approach, and strong design publication presence - represents a similar successful scaling trajectory in the luxury residential segment.
Emerging players
- Havenly: Online interior design platform connecting customers with professional designers for room-by-room projects. Competes for residential design spend with technology-enabled, lower-cost service model targeting broader market segments.
- Modsy: Online interior design service using 3D visualization to help customers design rooms. Targets similar residential customers with technology-driven, lower-touch delivery - represents the digital-native threat to traditional consultative firms.
- Decorilla: Online interior design marketplace connecting customers with vetted designers for virtual and in-person projects. Competes for residential design business with hybrid online/traditional model that pressures traditional pricing structures.
Broad incumbents
- Decorating Den Interiors: Established interior design franchise network with hundreds of designers across North America. Competes in residential design market with broader geographic coverage and franchise infrastructure - demonstrates the scaled model that could threaten boutique players.
- RH (Restoration Hardware): National luxury home furnishings retailer with integrated RH Interior Design services and galleries. Competes for high-end residential design work but operates at much broader scale with furniture, hospitality, and contract design verticals.
Market position
Strengths4 records
Weaknesses5 records
Competitive moat3 records
Key risks5 records
Key highlights6 records
Customer concentration
Castle Interior social profiles
Digital presenceCastle Interior financial estimates
Financial estimateRevenue estimate
Valuation estimate
Castle Interior leadership team
Management profileNumber of profiles
Profiles3 records
Castle Interior funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Castle Interior M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Castle Interior
What does Castle Interior do?
Castle Interior (Castles Interiors, LLC) is a residential interior design firm offering kitchen design, bath design, new build/remodel, and unique custom project services for individual homeowners. Engagements cover the full design lifecycle—consultation, space evaluation, design presentation, procurement, implementation, and ongoing management—through a standardized five-stage consultative process. Project scope ranges from small remodels to large custom builds of 20,000+ square feet, with revenue generated through design fees, procurement markups, and project management services.
Is Castle Interior a public or private company?
Castle Interior is a private company. It is classified as family owned and is currently operating.
When was Castle Interior founded?
Castle Interior was founded in 1986. It employs 1 to 10 people.
Where is Castle Interior based?
Castle Interior is headquartered in Denver, United States, in the North America region.
How does Castle Interior make money?
One revenue line is on record: interior Design Services.
Who are Castle Interior's main competitors?
Direct peers on record are Amber Interiors, Marie Flanigan Interiors, Lindye Galloway Studio, Andrea Schumacher Interiors and Studio McGee. Emerging players are Havenly, Modsy and Decorilla. Broad incumbents are Decorating Den Interiors and RH (Restoration Hardware).
Does Castle Interior have an API?
No public API is recorded for Castle Interior.
What industry is Castle Interior in?
Castle Interior's product category is Residential Interior Design. Its primary akta.pro industry code is HSAPAEAC, Whole-Home Interior Renovation (Non-Structural), with a secondary code of HSAPAAAH, Kitchen Island & Custom Storage Solutions. Its NAICS code is 541410.